Home / 156,287.66-215,676.27-84,667.86

Finding the Fourth Proportional to 156,287.66, 215,676.27 and 84,667.86

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Solution

The fourth proportional to 156,287.66, 215,676.27 and 84,667.86 is: 116,841.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,287.66 : 215,676.27 = 84,667.86 : x
  2. Step 2: Convert to fraction form
    156,287.66/215,676.27 = 84,667.86/x
  3. Step 3: Cross multiply
    156,287.66x = 215,676.27 × 84,667.86
  4. Step 4: Simplify right side
    156,287.66x = 18,260,848,233.68
  5. Step 5: Solve for x
    x = 18,260,848,233.68/156,287.66
  6. Step 6: Final answer
    x = 116,841.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.